package com.mfp.java.testYou.core.filters;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.mfp.java.testYou.core.utils.UrlUtils;

public class RedirectFilter implements Filter {

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {

		HttpServletRequest httpRequest = UrlUtils.wrapRequest(request);
		HttpServletResponse httpResponse = UrlUtils.wrapResponse(response);

		String uri = httpRequest.getRequestURI();
		String cPath = httpRequest.getContextPath();

		String cleanUri = uri.replaceFirst(cPath, "");

		if (cleanUri.length() < 2) {
			boolean redirected = LoginFilter.doRedirectHome(httpRequest, httpResponse);
			if (redirected) {
				return;
			}
		}
		chain.doFilter(request, response);
	}

	@Override
	public void destroy() {
	}

}
